138834864
138,834,864 is an even composite number composed of five prime numbers multiplied together.
138834864 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 138834864:
24 × 33 × 7 × 31 × 1481
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 31 × 1481)See below for interesting mathematical facts about the number 138834864 from the Numbermatics database.
Names of 138834864
- Cardinal: 138834864 can be written as One hundred thirty-eight million, eight hundred thirty-four thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 1.38834864 × 108
Factors of 138834864
Divisors of 138834864
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 31 36 42 48 54 56 62 63 72 84 93 108 112 124 126 144 168 186 189 216 217 248 252 279 336 372 378 432 434 496 504 558 651 744 756 837 868 1008 1116 1302 1481 1488 1512 1674 1736 1953 2232 2604 2962 3024 3348 3472 3906 4443 4464 5208 5859 5924 6696 7812 8886 10367 10416 11718 11848 13329 13392 15624 17772 20734 23436 23696 26658 31101 31248 35544 39987 41468 45911 46872 53316 62202 71088 79974 82936 91822 93303 93744 106632 124404 137733 159948 165872 183644 186606 213264 248808 275466 279909 319896 321377 367288 373212 413199 497616 550932 559818 639792 642754 734576 746424 826398 964131 1101864 1119636 1239597 1285508 1492848 1652796 1928262 2203728 2239272 2479194 2571016 2892393 3305592 3856524 4478544 4958388 5142032 5784786 6611184 7713048 8677179 9916776 11569572 15426096 17354358 19833552 23139144 34708716 46278288 69417432 138834864
- Sum of all divisors σ(n): 470446080
- Sum of proper divisors (its aliquot sum) s(n): 331611216
- 138834864 is an abundant number, because the sum of its proper divisors (331611216) is greater than itself. Its abundance is 192776352
Bases of 138834864
- Binary: 10000100011001110011101100002
- Hexadecimal: 0x84673B0
- Base-36: 2ANPO0
Squares and roots of 138834864
- 138834864 squared (1388348642) is 19275119461898496
- 138834864 cubed (1388348643) is 2676058589076430873964544
-
The
square root of 138834864 is 11782.8207149223 -
The
cube root of 138834864 is 517.8049284611
Scales and comparisons
How big is 138834864?- 138,834,864 seconds is equal to 4 years, 21 weeks, 3 days, 21 hours, 14 minutes, 24 seconds.
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To count from 1 to 138,834,864 would take you about six years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 138834864 cubic inches would be around 43.2 feet tall.
Recreational maths with 138834864
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